Siwan Rhys

13 October 2026 - PLAYGROUND concerts

Bryn Harrison - Five Transfigurations and Seven Litanies

with GBSR Duo

Sapiega Palace, Vilnius

​

11 October 2026 - Garsų potvynis festival

HYPHEN album launch concert

with GBSR Duo and Twenty Fingers Duo

Senoji Zapyškio bažnyčia, Zapyškis

​

4 October 2026 - Steve Reich at 90

Steve Reich at 90: Different Trains

with Colin Currie Group/Royal Northern Sinfonia

The Glasshouse, Gateshead

​

3 October 2026 - Steve Reich at 90

Steve Reich at 90: Music for 18 Musicians

with Colin Currie Group

The Glasshouse, Gateshead

​

3 October 2026 - Steve Reich at 90

Steve Reich at 90: Radio Rewrite

with Colin Currie Group/Royal Northern Sinfonia

The Glasshouse, Gateshead

​

2 October 2026 - Steve Reich at 90

Steve Reich at 90: The Desert Music

with Colin Currie Group/Royal Northern Sinfonia

The Glasshouse, Gateshead

​

26 September 2026 - Kings Place Artist-in-Residence

GBSR Duo x Sarah Davachi

Sarah Davachi - Turn Portrait [world premiere]

Kings Place, London

​

20 September 2026

Celebrating Steve Reich: 90

with Colin Currie Group

Philharmonie Luxembourg

​

19 September 2026

Steve Reich 90

with Colin Currie Group

Concertgebouw Amsterdam

​

17 September 2026 - ULTIMA festival

Beatrice Dillon - Where Never

with Explore Ensemble and Beatrice Dillon

MUNCH, Oslo

​

5 September 2026 - Music in the Round

Sounds of Now: Feldman & Harrison

Bryn Harrison Seven Litanies and Five Transfigurations [world premiere]

Crucible Playhouse, Sheffield

​

2 September 2026 - BBC Proms

Steve Reich at 90

with Colin Currie Group

Royal Albert Hall, London

​

28 August 2026 - Edinburgh International Festival

Steve Reich - In All Your Ways [world premiere]

with Colin Currie Group

Usher Hall, Edinburgh

​

1 August 2026 - Bold Tendencies Euphoria

GBSR Duo: Ray Lynch & Charles Ives

Charles Ives Piano Sonata No. 2 "Concord, Mass., 1840-1860" and Ray Lynch Deep Breakfast

Bold Tendencies, London

​

22 June 2026

Tyshawn Sorey - Monochromatic Light (Afterlife)

with GBSR Duo, BBC Singers, Davóne Tines, Ruth Gibson and Tyshawn Sorey

St Giles' Cripplegate, Barbican

​

12 + 13 June 2026 - Bold Tendencies Euphoria

Oliver Leith - Garland

Bold Tendencies, London

Tickets Fri 12 June

Tickets Sat 13 June

​​

28 May 2026 - Music We'd Like to Hear

Eldritch Priest - pleasure drenching...

with Apartment House

St Mary-at-Hill, London

​

23 May 2026 - Hay Festival

Morton Feldman - Crippled Symmetry

with GBSR Duo and Taylor MacLennan (flutes)

St Mary's Church, Hay-on-Wye

​

8 May 2026 - Kings Place Artist-in-Residence

GBSR Duo x Beatrice Dillon

Beatrice Dillon world premiere

Kings Place, London

​

3 May 2026 - Tectonics festival

Oliver Leith - good day good day bad day bad day

with GBSR Duo

Old Fruitmarket, Glasgow

​

2 May 2026 - Tectonics festival

Laura Bowler - Things Are Against Us [UK premiere]

with GBSR Duo, Laura Bowler, and BBC Scottish Symphony Orchestra/Ilan Volkov

Grand Hall, Glasgow City Halls

​​​

22-29 April 2026 - Chamber Orchestra of Europe tour

Bartók - Music for Strings, Percussion and Celesta

with Chamber Orchestra of Europe/Sir Simon Rattle

Berlin Philharmonie, 22 April

Essen Philharmonie, 23 April

Kölner Philharmonie, 25 April

​Elbphilharmonie Hamburg, 26 April

​Alte Oper Frankfurt, 28 April

Teatro Manzoni Bologna, 29 April

​​

17 April 2026

Colin Currie Group Performs the Music of the Steve Martland Band

Kings Place, London

​

12 April 2026 - Rewire Festival

Beatrice Dillon & Explore Ensemble

Rewire Festival, The Hague

​​

21 March 2026 - Eavesdropping festival

Solo set - Tara Creme [WP], Lara Agar [WP], Ustvolskaya, Barbara Monk Feldman

Cafe Oto, London

​

28 February 2026

Tōru Takemitsu: Between Sound and Silence

with London Sinfonietta

Purcell Room, Southbank Centre London

​​

11 February 2026

Tōru Takemitsu: Between Sound and Silence

with London Sinfonietta

Portsmouth Guildhall

​

7 February 2026

Laura Bowler - Deconstructing Pierrot

with Red Note Ensemble

Perth Theatre​

​​

31 January 2026 - Stockhausen vs Aphex Twin (Double Bill)

Stockhausen - KONTAKTE

with GBSR Duo

Purcell Room, Southbank Centre London

​

31 January 2026 - Stockhausen vs Aphex Twin (Double Bill)

After Dark: GBSR Duo performs Aphex Twin

with GBSR Duo, Sam Wilson (percussion) and Joseph Havlat (piano)

Queen Elizabeth Hall Foyer, Southbank Centre London

​​

18 January 2026 - Kings Place Artist-in-Residence

Feldman - For Philip Guston

with GBSR Duo and Taylor MacLennan (flutes)

Kings Place, London

​

5 December 2025 - 3 January 2026

Oliver Leith/Matt Copson - Last Days

Royal Opera House Linbury Theatre

​​

26 November 2025 - Barbican Arvo Pärt at 90

12 Ensemble / GBSR Duo x Koreless: Pärt Refracted

LSO St Luke's, London

​

23 November 2025 - Rainy Days festival

Catherine Lamb - dying your dying to come closer

with Explore Ensemble and EXAUDI

Salle de Musique de Chambre, Philharmonie Luxembourg

​

21 November 2025 - Rainy Days festival

'Michael Parsons, Siwan Rhys - Space-Time Pianos'

solo and duo piano works by and with Michael Parsons

Salle de Musique de Chambre, Philharmonie Luxembourg​

​​

9 November 2025

Laura Bowler - Things are against us [world premiere]

with Laura Bowler, GBSR Duo, and Basel Sinfonietta/Jamie Phillips

Stadtcasino Basel

​

4 November 2025

Michael Parsons and Siwan Rhys: Space/Time Pianos

solo and duo piano works by and with Michael Parsons

City St George's University Performance Space, London

​

26 October 2025 - Sound Festival Aberdeen

James Weeks - Blue Hours [world premiere]

with GBSR Duo

Phoenix Centre, Newton Dee

​​

26 October 2025 - Sound Festival Aberdeen

Dave Maric - Silent Architects [world premiere]

with GBSR Duo

The Barn, Banchory

​

27 September 2025

Oliver Leith - Doom and the Dooms

with GBSR Duo, Sean Shibe, and 12 Ensemble

Queen Elizabeth Hall, Southbank Centre London

​

18 & 19 September 2025 - Bold Tendencies, Déja Vu

Oliver Leith - Garland [world premiere]

with GBSR Duo, EXAUDI, 12 Ensemble, Patricia Auchterlonie, Naomi Woo, Jack Sheen

Bold Tendencies, London

​

5 September 2025 - Bold Tendencies, Déja Vu

Wendy Carlos - Back to Bach/Moog SoundLab UK

with James McVinnie Ensemble

Bold Tendencies, London

​

1 August 2025, 16:00 & 17:30 - Darmstadt Festival

Aaron Holloway-Nahum - Dig It! (world premiere)

with GBSR Duo & Dejan Mrdja

Bessunger Knabenschule, Darmstadt

​

30 July 2025, 15:30 & 17:00  - Darmstadt Festival

Stockhausen KONTAKTE

with GBSR Duo

Bessunger Knabenschule, Darmstadt

​

29 July 2025 - Darmstadt Festival

Angharad Davies - Empty Spaces II + Stockhausen KONTAKTE

with GBSR Duo

Lichtenbergschule, Darmstadt​​

​

5-10 July 2025 - Festival d'Aix-en-Provence

Oliver Leith/Ted Huffman - The Story of Billy Budd, Sailor (world premiere)

with GBSR Duo

Théâtre du Jeu de Paume, Aix en Provence

​

20 June 2025

Strings in the Earth and Air

with Riot Ensemble

Royal Academy of Music, London

​

8 June 2025

Explore Ensemble at Cafe Oto

music by Okkyung Lee, Lawrence Dunn, Sasha Scott, and film by Rebecca Salvadori

Cafe Oto, London

​​

4 June 2025

SPARC Symposium concert: GBSR Duo

music by Claudia Molitor, Aaron Einbond, and Angharad Davies

City University Performance Space, London

​

16 May 2025 - Norfolk & Norwich Festival

Sean Shibe with 12 Ensemble & GBSR Duo

music by Dowland, Sasha Scott, Tim Parkinson, John White, and Oliver Leith

St Peter Mancroft, Norwich

​

14 May 2025

Strauss & Ravel

with London Symphony Orchestra/Gustavo Dudamel

Barbican Hall, London

​

12 May 2025

Strauss & Ravel

with London Symphony Orchestra/Gustavo Dudamel

Auditorio Nacional de Música, Madrid

​

10 May 2025

Strauss & Ravel

with London Symphony Orchestra/Gustavo Dudamel

Gran Teatre del Liceu, Barcelona

​

8 May 2025

opensound: writing for prepared piano with Siwan Rhys

free online workshop open to composers of all levels, hosted by Sound Scotland

​

15-16 April 2025

Laurence Osborn - TOMB! and Me and 4 Ponys recording

Delphian Records

​

13 April 2025

Schnittke & Shostakovich

with London Symphony Orchestra/Gianandrea Noseda

Barbican Hall, London

​

18 March 2025

Rhodri Davies - Amen for solo piano [70'] (world premiere)

part of Rhodri Davies four-day Cafe Oto residency

Cafe Oto, London

​

8 March 2025

BBC Radio 3 'Saturday Morning' live performance

Sarah Frances Jenkins -  I am out with Lanterns, Looking for Myself (world premiere)

Emahoy - Mother's Love

​

22 February 2025

EXAUDI + GBSR Duo

world premieres by Alex Tay, Cassie Kinoshi, Joe Bates, and Linda Catlin Smith

Wigmore Hall, London

​

8 February 2025

GBSR Duo + Angharad Davies

all Angharad Davies programme with Angharad Davies

Arnolfini Arts, Bristol

​

15 January 2025

Pierre Boulez - Éclat pour quinze instruments

with London Symphony Orchestra/Simon Rattle

Philharmonie Luxembourg

 

13 January 2025

Pierre Boulez - Éclat pour quinze instruments

with London Symphony Orchestra/Simon Rattle

Philharmonie de Paris

​

9 January 2025

Pierre Boulez - Éclat pour quinze instruments

with London Symphony Orchestra/Simon Rattle

Barbican Hall, London

​​

23 November 2024 - Rainy Days Festival

Okkyung Lee - Signals

with Explore Ensemble & Okkyung Lee

Salle de Musique de Chambre, Philharmonie Luxembourg

​

17 November 2024 - Huddersfield Contemporary Music Festival

Okkyung Lee - Signals

with Explore Ensemble & Okkyung Lee

Town Hall, Huddersfield

​

16 November 2024 - Huddersfield Contemporary Music Festival

GBSR Duo + Twenty Fingers Duo

new works by Lawrence Dunn and Julius Aglinskas

Bates Mill Blending Shed, Huddersfield

​

12 November 2024

GBSR Duo + Twenty Fingers Duo

music by the Hobbs/White duo, Tim Parkinson, and Angharad Davies

Cafe Oto, London

​

11 November 2024 - Iš ARTI festival

Twenty Fingers Duo x GBSR Duo

new works by Lawrence Dunn and Julius Aglinskas

Kaunas State Philharmonic, Kaunas​

​

26 October 2024 - soundfestival

'Northern Connection'

with Red Note Ensemble

The Lemon Tree, Aberdeen

​

25 October 2024 - soundfestival

Laura Bowler - Deconstructing Pierrot (world premiere)

with Red Note Ensemble

The Lemon Tree, Aberdeen

​

18 October 2024 - TRANSIT festival

Okkyung Lee - Signals (world premiere)

with Explore Ensemble & Okkyung Lee

STUK, Leuven

​

11 October 2024 - Muzikos Ruduo festival

'Hyphen' - Twenty Fingers Duo x GBSR Duo

World premieres by Lawrence Dunn and Julius Aglinskas

Sapieha Palace, Vilnius

​

1-10 October 2024

In Between Silence residency

with GBSR Duo & Twenty Fingers Duo

Lithuanian Academy of Music and Theatre, Vilnius

​​​

10 August 2024

GBSR Duo: Music for a Summer Evening

music by George Crumb, Steve Martland, and Steve Reich

with GBSR Duo & Joseph Havlat and Sam Wilson

Bold Tendencies, London

​

29 July 2024 - Three Choirs Festival

Heath Quartet & GBSR Duo

music by Luke Lewis, Steve Martland, Joe Duddell (WP), Tippett

St Martin's Church, Worcester

​

28 July 2024 - Three Choirs Festival

GBSR Duo late night concert

music by Andriessen, Barbara Monk Feldman, Emahoy, Luke Lewis (WP), Lucio Tasca, Cassandra Miller, Steve Martland

College Hall, Worcester​​

​

7 July 2024 - Spitalfields Music Festival

Autopsy of an Aberration

with GBSR Duo and CHAINES

state51 Factory, London

​

6 July 2024 - Sound Within Sound festival

Siwan Rhys: Ustvolskaya Solo Piano Works

Ustvolskaya: Piano Sonata No.4, Piano Sonata No.5, Piano Sonata No.6

Purcell Room, Southbank Centre London​

​

29 June 2024

James McVinnie Ensemble: American Minimalism

music by Gabriella Smith, Philip Glass, inti figgis-vizueta, and John Adams

with James McVinnie Ensemble

Royal Festival Hall, Southbank Centre London

​

28 June 2024

Oliver Leith - good day good day bad day bad day

with GBSR Duo

Wigmore Hall, London​

​

28 June 2024

Sean Shibe, GBSR Duo, & 12 Ensemble

music by Ligeti, Brian Eno/Harold Budd, Pratten, John White, and Oliver Leith (WP)

Wigmore Hall, London

​

18 May 2024 - Schlossmediale festival

Christian Mason - Hölderlin's Madness (Swiss premiere)

with Explore Ensemble, Thorwald Jørgensen (theremin), Lotte Betts-Dean (mezzo-soprano), and SWR Experimentalstudio

Schloss Werdenberg, Switzerland

​

5 May 2024

BBC SO Total Immersion: Italian Radicals

music by Dallapiccola, Nono, Maderna, and Berio

with BBC Symphony Orchestra and BBC Singers

Barbican Hall, London

​

2 April 2024 - City University concert series

Solo recital

music by Emahoy Tsegué-Mariam Guèbru, Ben Nobuto, Laurence Crane, and Barbara Monk Feldman

City University Performance Space, London

​

14 March 2024

Beethoven and Unsuk Chin

with London Symphony Orchestra

Barbican Hall, London

​

1 March 2024 - CrossCurrents Festival

Solo recital

music by Luigi Nono, Laurence Crane (world premiere), Ben Nobuto (world premiere), and Emahoy Tsegué-Mariam Guèbru

Elgar Concert Hall, Birmingham

​

22 February 2024

New Traditions

music by Sky Macklay, George Lewis, Katherine Balch, and Michel van der Aa

with London Sinfonietta

Purcell Room, Southbank Centre London

​

6 February 2024

Oliver Leith - Last Days

with GBSR Duo and LA Phil New Music Group

Walt Disney Concert Hall, Los Angeles